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Technical Data Sheet
PartsTable / COMPONENT / 8X4-1-1-4
8X4-1-1-4 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 1.271 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM, outside_diameter: 2.045 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.312 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-1035, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
8X4-1-1-4
NSN: 5310-00-013-1035
FSC: 5310
CAGE: 63734 — KAITLIN CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter1.271 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter2.045 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.312 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
nondefinitive_spec/std_data2 STYLE AND A CLASS
NSN5310-00-013-1035
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8X4-1-1-4 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
NONDEFINITIVE SPEC/STD DATA: 2 STYLE AND A CLASS
•
OUTSIDE DIAMETER: 2.045 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
MATERIAL THICKNESS: 0.312 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
HOLE DIAMETER: 1.271 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
NONDEFINITIVE SPEC/STD DATA2 STYLE AND A CLASS
OUTSIDE DIAMETER2.045 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL THICKNESS0.312 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
HOLE DIAMETER1.271 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
85426Interchangeable
interchangeable cross-reference
interchangeable
MS35338-17Interchangeable
interchangeable cross-reference
interchangeable
004-003005-018Interchangeable
interchangeable cross-reference
interchangeable
MS35338-137Interchangeable
interchangeable cross-reference
interchangeable
1310-35Interchangeable
interchangeable cross-reference
interchangeable
1-1-4MEDIUMInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8X4-1-1-4?
8X4-1-1-4 is a WASHER,LOCK.
What parts can replace 8X4-1-1-4?
There are 7 known substitutes for 8X4-1-1-4: 85426, MS35338-17, 004-003005-018 and 4 more. Substitute compatibility should be verified for your specific system.
Is 8X4-1-1-4 still available?
8X4-1-1-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026